H1N1sw Vaccine in Adult Transplant Recipients

Inclusion Criteria: * Adult subjects 18-60 years of age who have undergone prior renal, cardiac, liver, lung, or bone marrow transplantation for any reason, more than 3 months prior to enrolment * Patients able to visit the outpatient clinic with a life expectancy of at least one year * Patients who receive any immunosuppressive treatment currently taken to prevent organ rejection Exclusion Criteria: * Individuals who received any vaccine within 30 days prior to study entry * Individuals who received a H1N1 vaccination less than 6 months prior to the study * Influenza diagnosed by a physician within 4 months prior to the study start * Pregnant or lactating females * History of an anaphylactic (i.e. life-threatening) reaction to any of the components of the vaccines, including egg and chicken proteins, ovalbumin, kanamycin and neomycin sulphate, formaldehyde and cetyltrimethylammonium bromide (CTAB)